Read requirements in IPC-RB-276 section Section 3.11.1 or the similar section in IPC-6012. If not satisfied there are several papers on soldemask defined lands published in SMT proceedings by some of the researchers at Motorla . Phil Hinton *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************